Eurotech Appliances PXA270 ZEUS address map, UART and CPLD address map, Bus width, Bus width, Description, Description, Physical address, Physical address, PXA270 chip select

ZEUS Technical Manual Detailed hardware description

ZEUS address map

PXA270 chip select	Physical address		Bus width	Description
CS0#	0x00000000	– 0x03FFFFFE	16-bit	Flash memory/Silicon disk
CS1#	0x04000000	– 0x07FFFFFE	16-bit	Ethernet controller 0
CS2#	0x08000000	– 0x0BFFFFFE	16-bit	Ethernet controller 1
CS3#	0x0C000000 – 0x0FFFFFFF		-	Reserved
CS4#	0x10000000	– 0x11FFFFFE	16-bit	Quad UART
	0x12000000	– 0x13FFFFFE	16-bit	CPLD registers
CS5#	0x14000000	– 0x17FFFFFE	16-bit	SRAM
-	0x18000000	– 0x1FFFFFFF	-	Reserved
-	0x20000000	– 0x2FFFFFFE	16-bit	CompactFlash
-	0x30000000	– 0x300003FF	8/16-bit	PC/104 I/O space
-	0x30000400	– 0x3BFFFFFF	-	Reserved
-	0x3C000000 – 0x3C1FFFFF		8/16-bit	PC/104 memory space
-	0x3C200000 – 0x3FFFFFFF		-	Reserved
-	0x40000000	– 0x43FFFFFF	32-bit	PXA270 peripherals1
-	0x44000000	– 0x47FFFFFC	32-bit	LCD control registers1
-	0x48000000	– 0x4BFFFFFC	32-bit	Memory controller registers1
-	0x4C000000 – 0x4FFFFFFC		32-bit	USB host registers1
-	0x50000000	– 0x53FFFFFC	32-bit	Capture interface registers1
-	0x54000000	– 0x57FFFFFC	32-bit	Reserved
-	0x58000000	– 0x5BFFFFFC	32-bit	Internal memory control1
-	0x5C000000 – 0x5C00FFFC		32-bit	Internal SRAM bank 0
-	0x5C010000 – 0x5C01FFFC		32-bit	Internal SRAM bank 1
-	0x5C020000 – 0x5C02FFFC		32-bit	Internal SRAM bank 2
-	0x5C030000 – 0x5C03FFFC		32-bit	Internal SRAM bank 3
-	0x5C040000 – 0X7FFFFFFF		-	Reserved
SDCS0#	0x80000000	– 0x8FFFFFFF	32-bit	SDRAM (U2/U3)
SDCS1#	0x90000000	– 0x9FFFFFFF	32-bit	SDRAM (U41/U49)

UART and CPLD address map

PXA270 chip select	Physical address	Bus width	Description
CS4#	0x10000000 – 0x107FFFFE	16-bit	UART 1
	0x10800000 – 0x10FFFFFE	16-bit	UART 2
	0x11000000 – 0x117FFFFE	16-bit	UART 3
	0x11800000 – 0x11FFFFFE	16-bit	UART 4
	0x12000000	16-bit	REG0 (CPLD Ver/Issue)
	0x12800000	16-bit	REG1 (PC104 IRQ status)
	0x13000000	16-bit	REG2 (CF Reset)
	0x13800000	16-bit	REG3 (WD Register)

1Details of the internal registers are in the Intel PXA27x Processor Family Developer’s Manual on the Development Kit CD.

© 2007 Eurotech Ltd Issue D 19